A solution contains 1.34x102 M silver nitrate and 1.45x10 M barium acetate. Solid potassium phosphate is added slowly to this mixture. A. What is the formula of the substance that precipitates first? formula B. What is the concentration of phosphate ion when this precipitation first begins? [PO431= М M sodium A solution contains 1.16x10 carbonate and 8.28x103 M potassium hydroxide. Solid nickel(II) nitrate is added slowly to this mixture. A. What is the formula of the substance that precipitates first? formula 11 B. What is the concentration of nickel ion when this precipitation first begins? [Ni2 ] =

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